Question

Simplify (a²-b²)³+(b²-c²)³+(c²-a²)³/(a-b)³+(b-c)³+(c-a)³

Answer 1

3(a^2-b^2)(b^2-c^2)(c^2-a^2)/3(a-b)(b-c)(c-a)
3(a+b)(a-b)(b+c)(b-c)(c+a)(c-a)/3(a-b)(b-c)(c-a)
(a+b)(b+c)(c+a)